Long term hydro-mechanical behaviour of Boom Clay

Research output: ThesisDoctoral thesis

Standard

Long term hydro-mechanical behaviour of Boom Clay. / Jia, Shanpo; Li, Xiang Ling; Chen, Guangjing (Peer reviewer).

Xiaohongshan, Wuchang, Wuhan, China : IRSM - Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, 2009. 178 p.

Research output: ThesisDoctoral thesis

Harvard

Jia, S, Li, XL & Chen, G 2009, 'Long term hydro-mechanical behaviour of Boom Clay', Wuhan Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Xiaohongshan, Wuchang, Wuhan, China.

APA

Jia, S., Li, X. L., & Chen, G. (2009). Long term hydro-mechanical behaviour of Boom Clay. Xiaohongshan, Wuchang, Wuhan, China: IRSM - Institute of Rock and Soil Mechanics, Chinese Academy of Sciences.

Vancouver

Jia S, Li XL, Chen G. Long term hydro-mechanical behaviour of Boom Clay. Xiaohongshan, Wuchang, Wuhan, China: IRSM - Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, 2009. 178 p.

Author

Jia, Shanpo ; Li, Xiang Ling ; Chen, Guangjing. / Long term hydro-mechanical behaviour of Boom Clay. Xiaohongshan, Wuchang, Wuhan, China : IRSM - Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, 2009. 178 p.

Bibtex - Download

@phdthesis{04d16f871a944cdca6cf5b2d3a6cbdf9,
title = "Long term hydro-mechanical behaviour of Boom Clay",
abstract = "This phD thesis investigates the coupled long term hydro-mechanical behaviour of Boom clay with the focus on the long term permeability and creep damage. The main achievements are as follows: (1) A fully coupled hydro-mechanical model considering the elasto-visco-plastic damage constitutive laws and self-sealing (permeability variation in EDZ/EdZ with time) is established for Boom clay based on long term in situ measurements and laboratory experiments. The developed model is implemented in the FE code ABAQUS. (2) inversion methods were established to back-analysis the in situ 3D stress around HADES, the damage, creep, and self sealing parameters for the developed couple HM model on the the long term in situ measurements (pore pressure, displacement around HADES for about 20 years. (3) Based on the latin hypercube sampling method, a new method for evaluating the sensitivity of system parameters is put forward by Spearman coefficient in non-parameter statistics. (4) finally, the above mentioned development were applied to predict the long-term stability of test drift and connecting gallery in HADES focusing on the evolution of pore water pressure, of EDZ/EdZ as well as that of permeability.",
keywords = "clay, modified Mohr-Coulomb criterion, damage, hydro-mechanical coupling, optimization inversion, permeability evolution, fractures self-healing, creep damage model, stability of repository",
author = "Shanpo Jia and Li, {Xiang Ling} and Guangjing Chen",
note = "Score = 6",
year = "2009",
month = "5",
language = "English",
publisher = "IRSM - Institute of Rock and Soil Mechanics, Chinese Academy of Sciences",
school = "Wuhan Institute of Rock and Soil Mechanics, Chinese Academy of Sciences",

}

RIS - Download

TY - THES

T1 - Long term hydro-mechanical behaviour of Boom Clay

AU - Jia, Shanpo

AU - Li, Xiang Ling

A2 - Chen, Guangjing

N1 - Score = 6

PY - 2009/5

Y1 - 2009/5

N2 - This phD thesis investigates the coupled long term hydro-mechanical behaviour of Boom clay with the focus on the long term permeability and creep damage. The main achievements are as follows: (1) A fully coupled hydro-mechanical model considering the elasto-visco-plastic damage constitutive laws and self-sealing (permeability variation in EDZ/EdZ with time) is established for Boom clay based on long term in situ measurements and laboratory experiments. The developed model is implemented in the FE code ABAQUS. (2) inversion methods were established to back-analysis the in situ 3D stress around HADES, the damage, creep, and self sealing parameters for the developed couple HM model on the the long term in situ measurements (pore pressure, displacement around HADES for about 20 years. (3) Based on the latin hypercube sampling method, a new method for evaluating the sensitivity of system parameters is put forward by Spearman coefficient in non-parameter statistics. (4) finally, the above mentioned development were applied to predict the long-term stability of test drift and connecting gallery in HADES focusing on the evolution of pore water pressure, of EDZ/EdZ as well as that of permeability.

AB - This phD thesis investigates the coupled long term hydro-mechanical behaviour of Boom clay with the focus on the long term permeability and creep damage. The main achievements are as follows: (1) A fully coupled hydro-mechanical model considering the elasto-visco-plastic damage constitutive laws and self-sealing (permeability variation in EDZ/EdZ with time) is established for Boom clay based on long term in situ measurements and laboratory experiments. The developed model is implemented in the FE code ABAQUS. (2) inversion methods were established to back-analysis the in situ 3D stress around HADES, the damage, creep, and self sealing parameters for the developed couple HM model on the the long term in situ measurements (pore pressure, displacement around HADES for about 20 years. (3) Based on the latin hypercube sampling method, a new method for evaluating the sensitivity of system parameters is put forward by Spearman coefficient in non-parameter statistics. (4) finally, the above mentioned development were applied to predict the long-term stability of test drift and connecting gallery in HADES focusing on the evolution of pore water pressure, of EDZ/EdZ as well as that of permeability.

KW - clay

KW - modified Mohr-Coulomb criterion

KW - damage

KW - hydro-mechanical coupling

KW - optimization inversion

KW - permeability evolution

KW - fractures self-healing

KW - creep damage model

KW - stability of repository

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/ezp_105898

M3 - Doctoral thesis

PB - IRSM - Institute of Rock and Soil Mechanics, Chinese Academy of Sciences

CY - Xiaohongshan, Wuchang, Wuhan, China

ER -

ID: 253569